Natural Language Assistant: A Dialog System for Online Product Recommendation. - Joyce Yue Chai; Veronika Horvath; Nicolas Nicolov; Margo Stys; Nanda Kambhatla; Wlodek Zadrozny; Prem Melville (AI Mag., 2002)

dentifying and Tracking Entity Mentions in a Maximum Entropy Framework. - Abraham Ittycheriah; Lucian Vlad Lita; Nanda Kambhatla; Nicolas Nicolov; Salim Roukos; Margo Stys (HLT-NAACL, 2003)